Electrical Engineering · Underground Cables
What is the main purpose of the metallic sheath layer provided in an underground cable?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1To improve overall flexibility
- 2To provide high electrical conductivity
- 3To protect the core from mechanical injury
- 4To protect the cable insulation from moisture and soil chemicals✓
Correct answer
To protect the cable insulation from moisture and soil chemicals
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